18190397634249680

Names of 18190397634249680

• Cardinal: 18190397634249680 can be written as Eighteen quadrillion, one hundred ninety trillion, three hundred ninety-seven billion, six hundred thirty-four million, two hundred forty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.819039763424968 × 10¹⁶

Factors of 18190397634249680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 32482852918317

Divisors of 18190397634249680

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 32482852918303 64965705836606 129931411673212 162414264591515 227379970428121 259862823346424 324828529183030 454759940856242 519725646692848 649657058366060 909519881712484 1136899852140605 1299314116732120 1819039763424968 2273799704281210 2598628233464240 3638079526849936 4547599408562420 9095198817124840 18190397634249680
• Sum of all divisors σ(n): 48334485142436352
• Sum of proper divisors (its aliquot sum) s(n): 30144087508186672
• 18190397634249680 is an abundant number, because the sum of its proper divisors (30144087508186672) is greater than itself. Its abundance is 11953689873936992

Bases of 18190397634249680

• Binary: 1000000101000000001000111111101010100000000001111010000₂
• Hexadecimal: 0x40A011FD5003D0
• Base-36: 4Z3YHB5A768

Squares and roots of 18190397634249680

• 18190397634249680 squared (18190397634249680²) is 330890566092116354918576580102400
• 18190397634249680 cubed (18190397634249680³) is 6019030970637570725105459296838578638241567232000
• The square root of 18190397634249680 is 134871782.2016513579
• The cube root of 18190397634249680 is 262994.9428890189

Scales and comparisons

• 18,190,397,634,249,680 seconds is equal to 578,398,378 years, 9 weeks, 16 hours, 1 minute, 20 seconds.
• To count from 1 to 18,190,397,634,249,680 would take you about one billion, seven hundred thirty-five million, one hundred ninety-five thousand, one hundred thirty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18190397634249680 cubic inches would be around 21916.2 feet tall.

Recreational maths with 18190397634249680

• 18190397634249680 backwards is 08694243679309181
• 18190397634249680 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18190397634249680's digits is 80
• More coming soon!